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Merck

1633506

USP

Sulfanilic acid

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid

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About This Item

Linear Formula:
4-(H2N)C6H4SO3H
CAS Number:
121-57-3
Molecular Weight:
173.19
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329751190
MDL number:
MFCD00007886
Beilstein/REAXYS Number:
908765

Key Documents

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InChI key

HVBSAKJJOYLTQU-UHFFFAOYSA-N

SMILES string

Nc1ccc(cc1)S(O)(=O)=O

InChI

1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)

grade

pharmaceutical primary standard

API family

mesalazine, sulfadimethoxine, sulfadiazine

manufacturer/tradename

USP

mp

>300 °C (lit.)

solubility

water: soluble 12.51 g/L at 20 °C

density

1.4862 g/cm3 at 20 °C (OECD Test Guideline 109)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Sulfanilic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Silver Sulfadiazine
  • Sulfamethoxazole
  • Sulfamethoxazole and Trimethoprim Injection

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

11 - Combustible Solids

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

1633506-200MG:

jan

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